Input and output
The source-function runs a script in the current session. If the filename does not include a path, current workind directory (cwd) is assumed. Input a script:
source("myfile")Sink-function defines the direction of the output. The append option controls whether output overwriter or adds to a file. The split option determines if output is also sent to the screen as well as the output file.
sink("myfile.txt", append=FALSE, split=FALSE)
#return output to the terminal
sink()
sink("output.txt")Output to jpeg-file.
# Data to plot
x <- c(1,2,3)
# Define output
jpeg("myplot.jpg")
# Plot picture
plot(x)
# Turn off output
dev.off()
# Other graphic outputs:
pdf()
png()
bmp()
postscript()